Finding the Fourth Proportional to 324,089.16, 447,243.12 and 180,849.09
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Solution
The fourth proportional to 324,089.16, 447,243.12 and 180,849.09 is: 249,571.79
Step by Step Solution
- Step 1: Write the proportion equation
324,089.16 : 447,243.12 = 180,849.09 : x - Step 2: Convert to fraction form
324,089.16/447,243.12 = 180,849.09/x - Step 3: Cross multiply
324,089.16x = 447,243.12 × 180,849.09 - Step 4: Simplify right side
324,089.16x = 80,883,511,260.76 - Step 5: Solve for x
x = 80,883,511,260.76/324,089.16 - Step 6: Final answer
x = 249,571.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.